source: branches/samba-3.2.x/source/libsmb/clisecdesc.c

Last change on this file was 133, checked in by Paul Smedley, 17 years ago

Update trunk to 3.2.0pre3
File size: 3.4 KB
Line 
1/*
2 Unix SMB/CIFS implementation.
3 client security descriptor functions
4 Copyright (C) Andrew Tridgell 2000
5
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
10
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <http://www.gnu.org/licenses/>.
18*/
19
20#include "includes.h"
21
22/****************************************************************************
23 query the security descriptor for a open file
24 ****************************************************************************/
25SEC_DESC *cli_query_secdesc(struct cli_state *cli, int fnum,
26 TALLOC_CTX *mem_ctx)
27{
28 char param[8];
29 char *rparam=NULL, *rdata=NULL;
30 unsigned int rparam_count=0, rdata_count=0;
31 SEC_DESC *psd = NULL;
32 NTSTATUS status;
33
34 SIVAL(param, 0, fnum);
35 SIVAL(param, 4, 0x7);
36
37 if (!cli_send_nt_trans(cli,
38 NT_TRANSACT_QUERY_SECURITY_DESC,
39 0,
40 NULL, 0, 0,
41 param, 8, 4,
42 NULL, 0, 0x10000)) {
43 DEBUG(1,("Failed to send NT_TRANSACT_QUERY_SECURITY_DESC\n"));
44 goto cleanup;
45 }
46
47
48 if (!cli_receive_nt_trans(cli,
49 &rparam, &rparam_count,
50 &rdata, &rdata_count)) {
51 DEBUG(1,("Failed to recv NT_TRANSACT_QUERY_SECURITY_DESC\n"));
52 goto cleanup;
53 }
54
55 if (cli_is_error(cli))
56 goto cleanup;
57
58 status = unmarshall_sec_desc(mem_ctx, (uint8 *)rdata, rdata_count,
59 &psd);
60
61 if (!NT_STATUS_IS_OK(status)) {
62 DEBUG(10, ("unmarshall_sec_desc failed: %s\n",
63 nt_errstr(status)));
64 goto cleanup;
65 }
66
67 cleanup:
68
69 SAFE_FREE(rparam);
70 SAFE_FREE(rdata);
71
72 return psd;
73}
74
75/****************************************************************************
76 set the security descriptor for a open file
77 ****************************************************************************/
78bool cli_set_secdesc(struct cli_state *cli, int fnum, SEC_DESC *sd)
79{
80 char param[8];
81 char *rparam=NULL, *rdata=NULL;
82 unsigned int rparam_count=0, rdata_count=0;
83 uint32 sec_info = 0;
84 TALLOC_CTX *frame = talloc_stackframe();
85 bool ret = False;
86 uint8 *data;
87 size_t len;
88 NTSTATUS status;
89
90 status = marshall_sec_desc(talloc_tos(), sd, &data, &len);
91 if (!NT_STATUS_IS_OK(status)) {
92 DEBUG(10, ("marshall_sec_desc failed: %s\n",
93 nt_errstr(status)));
94 goto cleanup;
95 }
96
97 SIVAL(param, 0, fnum);
98
99 if (sd->dacl)
100 sec_info |= DACL_SECURITY_INFORMATION;
101 if (sd->owner_sid)
102 sec_info |= OWNER_SECURITY_INFORMATION;
103 if (sd->group_sid)
104 sec_info |= GROUP_SECURITY_INFORMATION;
105 SSVAL(param, 4, sec_info);
106
107 if (!cli_send_nt_trans(cli,
108 NT_TRANSACT_SET_SECURITY_DESC,
109 0,
110 NULL, 0, 0,
111 param, 8, 0,
112 (char *)data, len, 0)) {
113 DEBUG(1,("Failed to send NT_TRANSACT_SET_SECURITY_DESC\n"));
114 goto cleanup;
115 }
116
117
118 if (!cli_receive_nt_trans(cli,
119 &rparam, &rparam_count,
120 &rdata, &rdata_count)) {
121 DEBUG(1,("NT_TRANSACT_SET_SECURITY_DESC failed\n"));
122 goto cleanup;
123 }
124
125 ret = True;
126
127 cleanup:
128
129 SAFE_FREE(rparam);
130 SAFE_FREE(rdata);
131
132 TALLOC_FREE(frame);
133
134 return ret;
135}
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